Miguel Antoñanzas Alvear

E.ON Italia SpA engages in the generation and distribution of electricity and natural gas to residential and commercial customers. The company was founded in 2000 and is headquartered in Milan, Italy.

OMIP - Pólo Português SGMR SA is a regulated market operator based in Lisbon, Portugal. The Portuguese company provides a trading platform for energy products in the Iberian Electricity Market (MIBEL) in partnership with the OMIClear Clearing House.

Operador del Mercado Ibérico de la Energía Polo Español SA is a private company based in Madrid, Spain, with subsidiaries in Spain. The Spanish company manages the bidding system for the purchase and sale of electricity.

Club Español de la Energía, also known as Enerclub, is a non-profit company based in Madrid, Spain. The Spanish company is focused on the energy sector.

MIBGAS SA engages in the distribution of natural gas, and management and operation of natural gas market. Its service portfolio includes management of products, agents, associated documents, price, volume, and trading report. The company was founded was founded on June 15, 2012 and is headquartered in Madrid, Spain.

Part of E.ON SE, Enel Viesgo is a Spanish company that generates and distributes electricity. The company is based in Santander, Spain. Enel Viesgo was acquired by E.ON SE from Enel SpA on June 26, 2008 for $967.03 million.

OMI Polo Español SA is a private company based in Madrid, Spain. The Spanish company manages the bidding system for the purchase and sale of electricity.

Viesgo Holdco SAU engages in the transactions with securities and other assets. The firm offers subscription, acquisition, possession and disposal of securities, real estate shares and securities, the rendering of energy and management, and promotion and real estate operation services. The company is headquartered in Santander, Spain.

SENER Group is a engineering company. It is engaged in providing engineering and technology services. The company was founded by Enrique de Sendagorta Aramburu in 1956 and is headquartered in Getxo, Spain.

Iberdrola Ingeniería y Construcción SA is one of the world's largest powers engineering companies with projects in more than 30 countries and subsidiaries and branch offices in 27 countries throughout Europe, Asia, Africa and North and South America. In 2010 the Company's portfolio of projects surpassed two billion Euros. 84% of this Project portfolio is abroad, demonstrating the progressive and intensive internationalization of Company activity in the last few years. The strategic areas for international expansion are the United States, United Kingdom, Latin America, Middle East, Russia and the Eastern European countries. The increase in activity in recent years is a product of the Company's change of strategy, begun in 2004, when it directed its activity to engineering and construction, principally of electric installations for power generation, distribution and control. Likewise it executes important projects throughout the world in the nuclear and renewable energy sectors with a high component of R&D&i. The search and consolidation of foreign markets and the service rendered to its parent company IBERDROLA through the experience and know-how acquired as one of the foremost electric engineering companies in the world, comprise two of the Company's driving forces in strategic planning. In that respect, the high level demonstrated by the Group in its management systems for quality, environment, occupational risk prevention and R&D&i initiatives, increasing their value through a sustained focus on product improvement, must be emphasized.

Enel Unión Fenosa Renovables SA develops and operates wind and hydro electric power projects. It has renewable energy and co-generation plants in the Aragón, Castilla la Mancha, Castilla & León, Canarias, Extremadura, Galicia, and Levante regions. The company operates as a joint venture between Enel SpA and Unión Fenosa SA. Enel Unión Fenosa Renovables is headquartered in Madrid, Spain.